Mobile Terminal Real-Time Face Area Image Correction
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Solution Overview
Problem
Existing image correction techniques for mobile terminals often result in significant discrepancies between corrected and original images, and can only be applied to previously stored images, failing to provide efficient and accurate real-time correction of images captured by the camera.
Innovation Solution
A method and mobile terminal implementation that automatically detects and corrects face areas or entire images in real-time using image correction information, allowing for selective correction and display of the corrected image without degrading the original image quality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If existing image correction techniques are applied to correct the entire image, then image quality can be improved, but huge discrepancies occur between the corrected image and the original image
Solution Approach 1:
The patent segments the image into multiple regions including face regions and non-face regions. Different correction processing is applied to different regions, allowing precise correction of face areas while preserving the original appearance of other parts of the image, thus resolving the contradiction between correction accuracy and image originality
Solution Approach 2:
The patent applies local quality by performing image correction only on specific regions (face regions) rather than the entire image. This allows high correction accuracy for face areas while maintaining the original characteristics of non-face regions, preventing huge discrepancies between corrected and original images
2Manufacturing precision
If existing image correction techniques are used, then image correction can be performed, but only on previously stored images and not on images being captured in real-time
Solution Approach 1:
The patent performs preliminary action by detecting face regions and applying correction processing during the image capture process itself, before the image is stored. This eliminates the time delay associated with post-capture correction and enables real-time correction of captured images
3Manufacturing precision
If selective correction of image parts is implemented, then image quality can be improved with minimal change to the original, but the device complexity increases
Solution Approach 1:
The patent uses segmentation to divide the image into face regions and non-face regions based on predefined criteria. This structured approach to selective correction simplifies the processing complexity while achieving high correction accuracy on specific image parts
Solution Approach 2:
The patent implements a universal correction framework that can handle different types of images and regions using the same basic processing logic. The face region detection and correction mechanism serves multiple purposes including quality improvement and originality preservation, reducing overall system complexity
Data Source
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AI summary
A mobile terminal and a method of controlling a mobile terminal are provided. The method includes displaying a camera preview image; detecting a face area from the camera preview image; if a button for capturing an image is manipulated, correcting an image captured by a camera using the detected face area and displaying the corrected captured image; and storing the corrected captured image.